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General

  • Target

    b616bacd88a1991a499d4b8fc5bc1585ebfd846183f607eb6b3a8cd7e798b5d5

  • Size

    268KB

  • Sample

    231006-ykc1xshg56

  • MD5

    ac6b0c6f2886afb7049abbf7a2f2fb7b

  • SHA1

    0c881668990d19da6696345ab66812716be8fa70

  • SHA256

    b616bacd88a1991a499d4b8fc5bc1585ebfd846183f607eb6b3a8cd7e798b5d5

  • SHA512

    a0d715f0e84dee9777804cbfcbd9cf1fcd987791cdffa33207a720a3de80424d879ace73fd92af2efdbfdebffb158f1d1520ef38014244cc4c3b78c1ea09f40d

  • SSDEEP

    6144:mmHGQ+Fz5kyocx5/X/3SPl5MAO1J5m+R06:mmmRzWyoWzDJg+66

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

frant

C2

77.91.124.55:19071

Extracted

Family

amadey

Version

3.89

C2

http://77.91.124.1/theme/index.php

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explothe.exe

  • strings_key

    36a96139c1118a354edf72b1080d4b2f

rc4.plain

Extracted

Family

amadey

Version

3.83

C2

http://5.42.65.80/8bmeVwqx/index.php

Attributes
  • install_dir

    207aa4515d

  • install_file

    oneetx.exe

  • strings_key

    3e634dd0840c68ae2ced83c2be7bf0d4

rc4.plain

Extracted

Family

redline

Botnet

@ytlogsbot

C2

176.123.4.46:33783

Extracted

Family

mystic

C2

http://5.42.92.211/loghub/master

Targets

    • Target

      b616bacd88a1991a499d4b8fc5bc1585ebfd846183f607eb6b3a8cd7e798b5d5

    • Size

      268KB

    • MD5

      ac6b0c6f2886afb7049abbf7a2f2fb7b

    • SHA1

      0c881668990d19da6696345ab66812716be8fa70

    • SHA256

      b616bacd88a1991a499d4b8fc5bc1585ebfd846183f607eb6b3a8cd7e798b5d5

    • SHA512

      a0d715f0e84dee9777804cbfcbd9cf1fcd987791cdffa33207a720a3de80424d879ace73fd92af2efdbfdebffb158f1d1520ef38014244cc4c3b78c1ea09f40d

    • SSDEEP

      6144:mmHGQ+Fz5kyocx5/X/3SPl5MAO1J5m+R06:mmmRzWyoWzDJg+66

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detect Mystic stealer payload

    • Detected google phishing page

    • Detects Healer an antivirus disabler dropper

    • Healer

      Healer an antivirus disabler dropper.

    • Modifies Windows Defender Real-time Protection settings

    • Mystic

      Mystic is an infostealer written in C++.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks